/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Finds a unique name with a base of the passed in string, appending numbers as needed
A unique name that will not conflict in the Blueprint
static [FName](API\Runtime\Core\UObject\FName) FindUniqueKismetName ( const [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * InBlueprint, const [FString](API\Runtime\Core\Containers\FString) & InBaseName, [UStruct](API\Runtime\CoreUObject\UObject\UStruct) * InScope )